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Finding the Fourth Proportional to 1,910.41, 2,866.44 and 741.22

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Solution

The fourth proportional to 1,910.41, 2,866.44 and 741.22 is: 1,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.41 : 2,866.44 = 741.22 : x
  2. Step 2: Convert to fraction form
    1,910.41/2,866.44 = 741.22/x
  3. Step 3: Cross multiply
    1,910.41x = 2,866.44 × 741.22
  4. Step 4: Simplify right side
    1,910.41x = 2,124,662.66
  5. Step 5: Solve for x
    x = 2,124,662.66/1,910.41
  6. Step 6: Final answer
    x = 1,112.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.